--- a/third_party/libwebrtc/system_wrappers/source/cpu_features_linux.cc
+++ b/third_party/libwebrtc/system_wrappers/source/cpu_features_linux.cc
@@ -18,7 +18,7 @@
 #define WEBRTC_GLIBC_PREREQ(a, b) 0
 #endif
 
-#if WEBRTC_GLIBC_PREREQ(2, 16)
+#if !__GLIBC__ || WEBRTC_GLIBC_PREREQ(2, 16)
 #include <sys/auxv.h>
 #else
 #include <errno.h>
@@ -40,7 +40,7 @@
   int architecture = 0;
   uint64_t hwcap = 0;
   const char* platform = NULL;
-#if WEBRTC_GLIBC_PREREQ(2, 16)
+#if !__GLIBC__ || WEBRTC_GLIBC_PREREQ(2, 16)
   hwcap = getauxval(AT_HWCAP);
   platform = (const char*)getauxval(AT_PLATFORM);
 #else